The present disclosure discloses a display module support frame and a display device. A display module support frame includes a machine support that is detachably connected to a display module. The machine support includes a horizontal supporting beam, two vertical supporting beams and two auxiliary supporting beams. The two vertical supporting beams are parallel, and face to each other. One end of each of the two vertical supporting beams is fixedly connected to the horizontal supporting beam. One end of each of the auxiliary supporting beams is fixedly connected to the horizontal supporting beam, and the other end thereof is fixedly connected to the vertical supporting beam.